am 83c6b052: Print out the signal code along with signal number and address.

Merge commit '83c6b052918178033875e7ea54ca746cf7303f87' into gingerbread-plus-aosp

* commit '83c6b052918178033875e7ea54ca746cf7303f87':
  Print out the signal code along with signal number and address.
This commit is contained in:
Carl Shapiro 2010-10-10 12:12:55 -07:00 committed by Android Git Automerger
commit 5c5ff87ded

View file

@ -319,6 +319,50 @@ const char *get_signame(int sig)
}
}
const char *get_sigcode(int signo, int code)
{
switch (signo) {
case SIGILL:
switch (code) {
case ILL_ILLOPC: return "ILL_ILLOPC";
case ILL_ILLOPN: return "ILL_ILLOPN";
case ILL_ILLADR: return "ILL_ILLADR";
case ILL_ILLTRP: return "ILL_ILLTRP";
case ILL_PRVOPC: return "ILL_PRVOPC";
case ILL_PRVREG: return "ILL_PRVREG";
case ILL_COPROC: return "ILL_COPROC";
case ILL_BADSTK: return "ILL_BADSTK";
}
break;
case SIGBUS:
switch (code) {
case BUS_ADRALN: return "BUS_ADRALN";
case BUS_ADRERR: return "BUS_ADRERR";
case BUS_OBJERR: return "BUS_OBJERR";
}
break;
case SIGFPE:
switch (code) {
case FPE_INTDIV: return "FPE_INTDIV";
case FPE_INTOVF: return "FPE_INTOVF";
case FPE_FLTDIV: return "FPE_FLTDIV";
case FPE_FLTOVF: return "FPE_FLTOVF";
case FPE_FLTUND: return "FPE_FLTUND";
case FPE_FLTRES: return "FPE_FLTRES";
case FPE_FLTINV: return "FPE_FLTINV";
case FPE_FLTSUB: return "FPE_FLTSUB";
}
break;
case SIGSEGV:
switch (code) {
case SEGV_MAPERR: return "SEGV_MAPERR";
case SEGV_ACCERR: return "SEGV_ACCERR";
}
break;
}
return "?";
}
void dump_fault_addr(int tfd, int pid, int sig)
{
siginfo_t si;
@ -327,8 +371,10 @@ void dump_fault_addr(int tfd, int pid, int sig)
if(ptrace(PTRACE_GETSIGINFO, pid, 0, &si)){
_LOG(tfd, false, "cannot get siginfo: %s\n", strerror(errno));
} else {
_LOG(tfd, false, "signal %d (%s), fault addr %08x\n",
sig, get_signame(sig), si.si_addr);
_LOG(tfd, false, "signal %d (%s), code %d (%s), fault addr %08x\n",
sig, get_signame(sig),
si.si_code, get_sigcode(sig, si.si_code),
si.si_addr);
}
}